908. It is known that the molar refraction of a liquid is approximately equal to its molar volume. Based on this, calculate the radius of the substance (solvent) molecule, based on the density p and the refractive index n, indicated below for the corresponding problem number and assuming that the molecule has a spherical shape.
Problem 908
Solvent n-butanol C4H10O
p, g/cm3 0.816
n 1.4029

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